CVE-2018-25032

HIGHScheduled

Published:Mar 25, 2022(4 years ago)

Modified:Aug 21, 2025

Remote ExploitNo Auth RequiredNo InteractionLow Complexity

Vulnerability Description

zlib before 1.2.12 allows memory corruption when deflating (i.e., when compressing) if the input has many distant matches.

Attack Characteristics

Network AccessLow ComplexityNo Auth NeededNo User Interaction

🤖

AI analysis not yet available

Plain-English explanation, risk summary, and remediation steps will appear here once AI analysis is complete.

No Fix Known

No patch has been released yet. Apply workarounds or mitigations where available.

Affected Software

Vendor	Product	Versions	Fixed In
nokogiri	nokogiri	1.13.4	-
python	python	3.7.0 - 3.7.14	-
python	python	3.8.0 - 3.8.14

Timeline

Published
CVE disclosed publicly
Mar 25, 20224 years ago
Last Modified
Most recent update
Aug 21, 20259 months ago
Indexed to CVEInsight
Added to this platform
Mar 29, 20261 month ago

References

http://seclists.org/fulldisclosure/2022/May/33Mailing List
http://seclists.org/fulldisclosure/2022/May/35Mailing List
http://seclists.org/fulldisclosure/2022/May/38Mailing List

CVSS Score

v3.1

7.5/ 10.0

HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

At a Glance

Affected Products

References

nokogiri / nokogiri

http://www.openwall.com/lists/oss-security/2022/03/25/2Mailing List

http://www.openwall.com/lists/oss-security/2022/03/26/1Exploit

https://cert-portal.siemens.com/productcert/pdf/ssa-333517.pdfThird Party Advisory

https://github.com/madler/zlib/commit/5c44459c3b28a9bd3283aaceab7c615f...Patch

https://github.com/madler/zlib/compare/v1.2.11...v1.2.12Patch

https://github.com/madler/zlib/issues/605Issue Tracking

https://lists.debian.org/debian-lts-announce/2022/04/msg00000.htmlMailing List

https://lists.debian.org/debian-lts-announce/2022/05/msg00008.htmlMailing List

https://lists.debian.org/debian-lts-announce/2022/09/msg00023.htmlMailing List

https://lists.fedoraproject.org/archives/list/package-announce%40lists...Third Party Advisory

https://security.gentoo.org/glsa/202210-42Third Party Advisory

https://security.netapp.com/advisory/ntap-20220526-0009/Third Party Advisory

https://security.netapp.com/advisory/ntap-20220729-0004/Third Party Advisory

https://support.apple.com/kb/HT213255Third Party Advisory

https://support.apple.com/kb/HT213256Third Party Advisory

https://support.apple.com/kb/HT213257Third Party Advisory

https://www.debian.org/security/2022/dsa-5111Patch

https://www.openwall.com/lists/oss-security/2022/03/24/1Mailing List

https://www.openwall.com/lists/oss-security/2022/03/28/1Exploit

https://www.openwall.com/lists/oss-security/2022/03/28/3Mailing List

https://www.oracle.com/security-alerts/cpujul2022.htmlPatch

http://seclists.org/fulldisclosure/2022/May/33Mailing List

http://seclists.org/fulldisclosure/2022/May/35Mailing List

http://seclists.org/fulldisclosure/2022/May/38Mailing List

http://www.openwall.com/lists/oss-security/2022/03/25/2Mailing List

http://www.openwall.com/lists/oss-security/2022/03/26/1Exploit

https://cert-portal.siemens.com/productcert/pdf/ssa-333517.pdfThird Party Advisory

https://github.com/madler/zlib/commit/5c44459c3b28a9bd3283aaceab7c615f...Patch

https://github.com/madler/zlib/compare/v1.2.11...v1.2.12Patch

https://github.com/madler/zlib/issues/605Issue Tracking

https://lists.debian.org/debian-lts-announce/2022/04/msg00000.htmlMailing List

https://lists.debian.org/debian-lts-announce/2022/05/msg00008.htmlMailing List

https://lists.debian.org/debian-lts-announce/2022/09/msg00023.htmlMailing List

https://lists.fedoraproject.org/archives/list/package-announce%40lists...Third Party Advisory

https://security.gentoo.org/glsa/202210-42Third Party Advisory

https://security.netapp.com/advisory/ntap-20220526-0009/Third Party Advisory

https://security.netapp.com/advisory/ntap-20220729-0004/Third Party Advisory

https://support.apple.com/kb/HT213255Third Party Advisory

https://support.apple.com/kb/HT213256Third Party Advisory

https://support.apple.com/kb/HT213257Third Party Advisory

https://www.debian.org/security/2022/dsa-5111Patch

https://www.openwall.com/lists/oss-security/2022/03/24/1Mailing List

https://www.openwall.com/lists/oss-security/2022/03/28/1Exploit

https://www.openwall.com/lists/oss-security/2022/03/28/3Mailing List

https://www.oracle.com/security-alerts/cpujul2022.htmlPatch

CVSS v3 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

Impact

ScopeUnchanged

ConfidentialityNone

IntegrityNone

AvailabilityHigh

Impact Analysis

ConfidentialityNone

NoneLowHigh

IntegrityNone

NoneLowHigh

AvailabilityHigh

NoneLowHigh

CVE-2018-25032

✦ Vulnerability Description

Attack Characteristics

Affected Software

Timeline

References

CVSS Score

At a Glance

Official Sources

CVSS v3 Vector

Impact Analysis

Vulnerability Description